Here’s a very interesting opinion piece on why Bitcoin is all you really need https://www.btctimes.com/insight/all-you-need-is-bitcoin
The more I study and the more I learn about money, the more I believe that real estate, gold and bitcoin are the only hard assets worth having. Right now the focus should be on bitcoin because the opportunity cost is immense, this is the deal of a lifetime.
We used to have dollar-backed currencies. That’s gone. We now have dollar-backed currencies such as the euro. Pretty soon it seems we’ll have bitcoin-backed currencies, ending up with the Bitcoin Standard.